Spring-wheel.



T. NLJORDAN.

SPRING WHEEL.

APPLIOATIONI FILED my 19, 1912.

Patented June 17, 19 13 Attorneys iiessilieney'of n STATES PATENT ormon.

' 'rnomas'n. JORDAN, or Lone BEACH MISSISSIPPI.

SPRING-wisest.

veemblcd'withthe rim and with thehub in a,

' novel manner, I

With theforegoing and oth i l 'view, wh.ich will appear as thedescription proceeds,

. details of construction hereinafter described and claimed, I changesin theprecise embodiment of nven- 'tion herein disclosed can be madewithin the scope of what is claimed without departmg from the spirit ofthe invention. t .zfl-"gln the accompanying drawings,-F1gu're tl showsin sectional side elevation a portion "of a wheel constructed inaccordance with the present invention; Fig. 2 is a section on 1 Y theline 2- 2of Fig. 1; Fig. 3 is a perspec- 'tive of the hub, theconstituent parts thereof being separated; Fig. 4is a perspective of oneof. he spring spokes; and Flg. 5 1s a sectional detail showing-amodified form of mm. 85 In carrying out the invention there is pro-'vided a hub 1, comprising a body 2-hav1ng radial slots'3, one end ofthe hub 1 being equipped with a s indle 4 projectlng beyond 'oneend-faceof t e hub and serving to define the bases of the slots: The hubfurther includes a cap 5' in which the spindle 4 is received, the cap 5having a flange 6, and there being openings 7 in the flange 6 and in thebody.2 of the hub, which openings are adapted to receive securingelements 8,

which may be bolt and nut structures, serving to hold the body portionof the hub and the cap together to retain the spokes as will bedescribed hereinafter.

The invention further includes a plurality of spring spokes, each spokecomprising straight parts 10 and 9, the parts 10 and 9 being preferablyparallel to each other, but

, 'being located in different planes. The

straight parts 9 and 10'are connected by a bowed portion, 11. -Thestraight part 9 of Specificatioh of Letters Patent. Application filedMay 18, 1912. Serial Ho. 688,278.

the invention residesin the combination and arrangement of parts and inthe itbeing understood that:

Patented June 17, 1913. 7

each s oke terminates ina lateral'foot secure 'by a' bolt and nutstructure-1 1,or many other desired manner, to the rim l5.

each provided with a longitudinal slot receiving a screw 17 slidably,the screw being threaded into a reinforcing plate 18, of curved form,the plate. 18 being thickest adjacent its center, and tapering graduallytoward its ends. The plate 18 fits into the concavity of the bowedportion 11 ofthe spoke. If desired, blocks 25 may be mount-' The spokes,in their bowed portions 11 are i ed in the slots 3,.betw'een theinnerends of the parts 10 and the spin-dleportion 4 of the hub.

It is to be noted that the plates 18 serve to reinforce the spokes andto stifien them. When it isdesired to alter the resiliency of thespokes, this result may be effected by loosening the screws 17, and byshiftingthe plates 18. Further, the resiliency-':-of .-the

spokes may be changed by inserting,or;;with'-- drawing the blocks 25, itbeing obvious-that when the blocks 25 are in place, the spring spokeswill be under greater tension than when the blocks are removed. It iswithin the scope of this invention to provide blocks 25 of differentsizes, thus graduating the adjustment by the use of diiferent blocks.

The wheel herein disclosed is intended sible to use the wheel as apulley, and under such circumstances, the spring spokes andmeral 20indicating the foot at the outerprimarily as a vehicle wheel, but itisposend of the spoke, the numeral 21 indicating the rim, and the numeral22 indicating a bolt which, passing through the rim and through the foot20 of the spoke, is engaged by a nut 23. In that form of the inventionwhich is shown in Fig. 5, the rim 21 is equipped with a groovedperiphery 24.

In practical operation, the member 25 clearly cotiperates with theresilient reinforcing plate 18, since, by the insertion of the member25, the resiliency of thespoke may be altered to a fixed and definitedegree,

this degree of resiliency being subsequently 110 by moving the plate 18longitudinally upon increased or -dec1eased,.to a fine adjustment,

the spoke.

Having thus described the invention, what into the concavity of thespoke; the plate is claimed is being ,tapered from. its middle portionto-- In a device of the class described, a curved. ward its ends. springspoke; a curved reinforcing plate ad In testimony that I claim theforegoing 15 5,justab1e longitudinally of the spoke and fitas my own, Ihave hereto aflixed my signa-' ting inthis concavity 0i theflslpokie ;tand; ture in the presence of two witnesses. j securin e ement connec mge p a e wi the s'poIie, the ends of the Slate bearing on THOMAS N thespoke on each side of e securing ele- "Witnesses: 10 ment; the securingelement being adjustable T. E. MGCRARY,

transversely of the. spoke to draw the plate R. L. MURPBY.

/ Copies. this patent may be obtained for five cents each, by addressingthe i commisshihjof gaunt! I I Washington, n c i g

